If you are looking for an exterior siding contractor in Musashino City, Tokyo, contact Kakeru Koumuten Co., Ltd.

This will definitely be helpful for customers considering exterior siding in Musashino City, TokyoPlease take a look!

The most important thing when considering exterior siding is “multiple estimates”!
Let’s get at least 3 estimates from exterior renovation companies that cover Musashino City!

Estimates and consultations are free!
Multiple estimates are very welcome!

What is the exterior wall cover method?

We will explain in detail the recommended points and precautions of the exterior wall cover method!

The exterior wall cover method is a construction that overlays a new exterior wall on top of the existing exterior wall.
It is possible to overlay various types of walls, such as ALC walls, ceramic siding, and mortar walls.
The exterior materials used in the exterior wall cover method are basically lightweight and durable metal siding.

Although the cost is higher compared to exterior painting, it is a method of exterior renovation that has various benefits and is gaining attention year by year.

Why is the exterior wall cover method popular?

We would like to introduce the “5 points” that have received praise for Kakeru Koumuten’s exterior wall cover method!

Point 1　Super high durability!!

Metal siding offers significantly higher durability compared to exterior painting.
Made of Galvalume steel, SG steel, and aluminum, there are various types of metal siding, and with aluminum, you can expect a durability of over 40 years!
Additionally, unlike ceramic siding or mortar exteriors, it does not crack or break, making its sturdiness one of its advantages!
If you use high-durability sealing materials, maintenance will be unnecessary for nearly 30 years!

Point 2　Improved Insulation!!

Cross-section of metal siding

The metal siding used in the exterior cover method comes with integrated insulation.
Moreover, by installing battens before the metal siding, a ventilation layer is created, significantly enhancing insulation!
This improvement in insulation is one of the major benefits of metal siding.

Point 3　Comprehensive Warranty for Peace of Mind!!

While many construction companies offer their own warranties for exterior painting, manufacturer warranties are generally not included.
Metal siding comes with solid manufacturer warranties, including coating and perforation guarantees, providing a high level of reassurance for long-term exterior renovations!

Point 4　Improved Waterproofing!!

With the exterior material being double-layered, it effectively prevents rainwater intrusion, significantly enhancing waterproofing.
Applying waterproof paper before installation further increases waterproofing!

Point 5　Improved Aesthetic Appeal!!

Various designs such as wood grain and tile patterns

Metal siding allows for a finish that resembles a new build, which cannot be achieved with exterior painting.
There are various designs available, ranging from simple to tile and wood grain patterns.
You can choose from a variety of designs to match the atmosphere and your preferences of the building!
Major manufacturers include “Aiji Industrial“, “Keimyuu“, “Nichiwa“, and “Asahi Tostem“, each offering a range of types and designs of metal siding.
If you find a product of interest in the catalog, you can also request cut samples!

What are the points to be aware of when performing exterior wall cover work with metal siding?

Next, we will explain the “three points to be aware of” when using metal siding for exterior wall cover work!

Point 1　Few contractors can perform the work

There are significantly fewer contractors capable of performing metal siding cover work compared to exterior painting contractors.
Many inexperienced contractors exist, which can lead to frequent troubles.
Since there is often a variation in estimate costs, to ensure a satisfactory project, if you are considering metal siding exterior wall cover work, be sure to obtain estimates from three or more companies and thoroughly review the details!

Point 2　Prone to dents and scratches

Metal siding can develop dents from impacts when objects hit it.
Additionally, being prone to scratches is one of its disadvantages.
If noticeable scratches occur and are concerning, you can request repairs from a specialized repair contractor!

Point 3　Long construction period

Exterior wall cover work is arguably the most extensive type of exterior renovation.
While exterior painting typically takes about 2 to 3 weeks, exterior wall cover work can often take close to a month.
The long construction period can be a source of stress for residents, making it one of the disadvantages.

Examples of exterior wall cover work

Construction Details

Exterior wall cover work

Completion Date

January 2025

Inquiry Details

I am considering a renovation of the exterior walls. I would like to use high-durability metal siding with a solid warranty. Since this is a comparative estimate, I would like to request a quote for the same metal siding as the estimates from other companies.

Proposal Details

We have proposed a roof overlay method using metal siding as per your request. Since you had several preferred metal sidings, we created separate estimates for each one! You entrusted us with the “Aijii Kogyo/SF-Gal Stage Shine” metal siding! The above siding is made of Galvalume steel with heat-insulating fluorine coating, and it is integrated with insulation material, providing excellent thermal insulation. You mentioned that you obtained estimates from three companies, and we were able to secure your order due to our competitive pricing and thorough explanations compared to other companies!

Price Range

2,000,000 – 2,100,000 yen

Construction Period

Approximately 3 weeks

Existing Exterior Material / New Exterior Material

Existing exterior: ALC 　New exterior: Metal siding (Aijii Kogyo/SF-Gal Stage Shine) 　Material: Galvalume steel with heat-insulating fluorine coating 　In-house warranty: 10 years 　Manufacturer warranty: 10 years for fading, 10 years for rust, 10 years for perforation 　Furring strips: Made of resin

1. Painting of Auxiliary Parts

2. Removal of Equipment

3. Substrate Adjustment

4. Waterproof Paper Installation (may not be necessary)

5. Installation of Battens

6. Metal Work for Fittings

7. Main Construction

8. Sealing at Various Locations

9. Reinstallation of Equipment

10. Completion

About the Costs of Exterior Wall Covering Work

This is a guideline table for the estimated costs of exterior wall cover work.
It is an estimate for the cost of performing the exterior wall cover method on a building with a floor area of 30 tsubo.

The cost of exterior wall cover work is determined by the following calculation.
Exterior wall area (㎡) × Siding unit price + Equipment removal and installation costs + Additional painting costs = Total amount
This will be the total.

Material	Expected Durability (Years)	Cost Assuming a building area of 30 tsubo (150㎡)
Galvalume Steel	30 to 35 years	Including tax Approximately 2,000,000 yen (Siding unit price 11,000 yen/㎡~)
SGL Steel	35 to 40 years	Including tax Approximately 2,200,000 yen (Siding unit price 12,500 yen/㎡~)
Aluminum	40 years or more	Including tax Approximately 2,500,000 yen (Siding unit price 14,000 yen/㎡~)

The amount will vary depending on the number of attached parts to be painted, the number of windows, and the equipment to be removed or installed.
Please note that this is just a rough estimate, and detailed quotes are completely free, so feel free to contact us.

How to Choose an Exterior Siding Contractor

There are fewer contractors that handle exterior cover work compared to exterior painting contractors, so it may be difficult to find a reliable contractor, such as “where should I request?”
The most important thing when choosing a contractor or getting a quote is to always obtain multiple quotes!

For this reason, when requesting exterior cover work, let’s check the following 4 points.

By checking the above 4 points, you will be able to choose a trustworthy contractor.

1. Check the contents and materials of the estimate

When obtaining an estimate for exterior cover work, let’s check the following items!

・Is the proposed new siding material suitable for your requirements?

Check whether materials that meet your requirements, such as durability and insulation, are being proposed!
Since there are various types of metal siding, such as cost-effective siding and insulation-focused siding, make sure the proposed siding aligns with your original requirements!

・Is the proposed construction method appropriate?

When performing exterior cover work, it is necessary to create a ventilation layer between the existing exterior wall and the new exterior wall material using a method called “ventilation method.”
If you apply it directly without creating a ventilation layer, moisture cannot escape, leading to mold and corrosion, or it may cause peeling and lifting of the exterior wall material.
Check whether the proposed construction is appropriate!

・Are the quantities and construction details described in detail?

If the estimate states something vague like “exterior cover work 1 set,” it will be difficult to understand the construction method and what the costs are for, making it hard to compare estimates.
Having clear unit prices and quantities for items like foundation drip edges and trim lengths will provide peace of mind and help prevent issues.
If there are items of concern that are not included in the estimate, check the reason for their exclusion!

・Check the auxiliary materials to be used!

Check not only the siding itself but also the types of detailed auxiliary materials such as “types of battens“, “siding fasteners“, and “types of waterproof paper“!
For example, siding fasteners are screws, and the overall cost can vary between iron and stainless steel.
While iron may seem cheaper at first glance, stainless steel is resistant to rust and is the recommended fastener.

2. Confirm the presence of warranties and aftercare

When choosing a contractor for exterior wall cover work, make sure to check for warranties.

Exterior wall cover work is one of the more expensive types of exterior renovations, so in addition to the manufacturer’s warranty, be sure to confirm whether the company offers its own warranty!
If the contractor has a warranty period, they may offer free repairs within that period.

The warranty period varies by contractor and the specifics of the work, but a 5 to 10-year period is common.

Additionally, some contractors offer after-sales service separate from the warranty, so be sure to check if the contractor you are considering has after-sales service.

Kakeru Koumuten Co., Ltd. always provides a warranty for exterior wall cover work.
We also conduct after-maintenance and send out annual DM, so if you wish, you can have inspections every year.

Warranty and Payment翔工務店の屋根工事、外壁塗装工事、シーリング工事の保証など簡単にご説明させて頂いております！！ 弊社では前金、中間金は頂いておりません！！...

3. Obtain estimates from multiple contractors (at least 3 companies)

When requesting exterior wall cover work, be sure to obtain estimates from multiple contractors.

The cost of the same repair can vary between contractors, and there may be differences in warranties and after-sales services.

Additionally, obtaining multiple estimates makes it easier to negotiate prices.

To request your desired repair contractor at a lower cost, obtaining estimates from multiple contractors is essential.
When comparing estimates, consider not only the costs but also the details of the plans, materials, and auxiliary materials!

4. Confirm whether the company performs exterior wall cover work in-house

There are cost differences between companies that handle in-house construction and those that outsource to external companies, and problems such as miscommunication with external contractors can easily arise.

Additionally, if issues occur after construction, responses may be slow, or there may be no dealings with external construction companies, leading to potential troubles.
One reason to recommend companies that perform in-house construction is that they can respond quickly if something goes wrong!

About Kakeru Koumuten Co., Ltd.

Kakeru Koumuten Co., Ltd. specializes in roofing, exterior wall work, and scaffolding with complete in-house construction for exterior renovations.
By assembling temporary scaffolding and performing exterior wall cover work in-house,
we can keep costs down while ensuring high-quality construction.

Company Introduction

Corporate Profile神奈川で家の外装・屋根の工事、修理なら一番若くて親切な株式会社翔工務店にお任せください。 株式会社翔工務店はリフォームを通して美しく理想の生活空間を創るお手伝いをしています。外装改修、外壁塗装、雨樋修理清掃、屋根の塗装や重ね葺き葺き変えなどの部分的な修理まで、お客様のどのようなご要望にも全力でお応えします。...

Customer Reviews

Service Areas

Kakeru Koumuten Co., Ltd. accepts requests throughout Kanagawa Prefecture and Tokyo Metropolis.

Click here for inquiries to Kakeru Koumuten Co., Ltd.!

PossibleSubsidies and Grants in Musashino City, Tokyo

The following subsidies may be available in Musashino City, Tokyo.

1. Long-term Excellent Housing System and Benefits (Tokyo)

• Overview of the Long-term Excellent Housing System
  
  Housing that meets standards for durability, living environment, disaster response, unit area, and maintenance plans is certified as a high-performance residence that can be lived in for a long time.

• Main Benefits of Certification

  • Tax benefits such as income tax and real estate acquisition tax

  • Possibility of being eligible for various subsidies and reduced interest rates on housing loans

• Information on Subsidy Programs
  You can utilize the national subsidy programs such as the “Child-Rearing Green Housing Support Project” and the “Long-Term Excellent Housing Renovation Promotion Project.”

2. Comparison with Tokyo’s “Tokyo Zero Emission Housing” Program

• What is Tokyo Zero Emission Housing?
  This is a program where the Tokyo Metropolitan Government provides subsidies for the construction of new homes with high energy efficiency. It includes subsidies for the installation of solar panels and storage batteries, as well as full exemptions from real estate acquisition tax.

• Subsidy Amount (Fiscal Year 2025)

  • Level A: Up to 2.4 million yen

  • Level B: 1.6 million yen

  • Level C: 400,000 yen

• Tax Benefits
  Houses that meet certain conditions may be fully exempt from real estate acquisition tax.

3. Comparison of Major Subsidies

Subsidy Programs Related to Tokyo

Program Name	Details	Subsidy Amount, etc.
Tokyo Zero Emission Housing	Subsidy for new construction based on energy-saving performance	Level A: 2.4 million yen / Level B: 1.6 million yen / Level C: 400,000 yen
Existing Housing Energy-Saving Diagnosis and Design Support	Subsidy for energy-saving design and diagnosis of current homes	Check subsidy rates and maximum amounts in the application guidelines (Application period: May 22, 2025 – February 16, 2026)
Individual Housing Interest Subsidy	Subsidy for loan interest when rebuilding fire-resistant homes in densely wooded areas	1% reduction in housing loan interest (for 10 years)

Subsidy Programs by National and Local Governments

• Child-Rearing Green Housing Support Project

  • Eligible: GX-oriented housing, long-term excellent housing, ZEH standard housing

  • Subsidy Amount (Estimated for FY2025):

    • GX Type: 1,600,000 yen / unit

    • Long-term Excellent: 800,000 yen / unit

    • ZEH Standard: 400,000 yen / unit

    • * Additional costs apply for demolition of old houses (e.g., Long-term Excellent 1,000,000 yen)

• ZEH Support Project (National)

  • Subsidy Amount:

    • ZEH: 550,000 yen / unit

    • ZEH+: 900,000 yen / unit

    • Additional subsidies for storage batteries and more

• Long-term Excellent Housing Reform Promotion Project (for Existing Homes)

  • Subsidy Amount:

    • Evaluation Standard Type: Within 1/3 of renovation costs (maximum 800,000 yen)

    • Certified Long-term Excellent Housing Type: Similarly within 1/3 (maximum 1,600,000 yen)

    • Additional 500,000 yen for young families and three-generation households

4. Which systems can be combined? Tips for utilization

• Combination Utilization
  Programs like “Tokyo Zero Emission Housing” and “Child-Rearing Green Housing” can be used together depending on the conditions.
  On the other hand, some specific programs may not be used in combination, so it is important to check the conditions for each program.

• Benefits of Certification
  Long-term excellent housing certification offers benefits in multiple areas, such as tax incentives, subsidy programs, and loan advantages, making the value of obtaining the certification very high.

• For Renovations and Existing Homes
  By utilizing the “Long-Term Excellent Housing Renovation Subsidy” and “Energy-Saving Diagnosis and Design Support,” you can improve performance while also receiving subsidies.

Summary

1. Long-Term Excellent Housing offers a wide range of benefits such as tax incentives, subsidies, and loan advantages when certified.

2. Tokyo’s “Tokyo Zero Emission Housing” Program provides significant subsidies for those aiming for energy-efficient, high-performance housing in new constructions.

3. By utilizing national and other programs, you can greatly reduce the financial burden of building or renovating a home.

4. Conditions for combination vary by program, so it is important to check the details and whether combinations are allowed at the time of application.

For detailed conditions and procedures, please check this website.

Leave your exterior wall cover work to Kakeru Koumuten Co., Ltd., the exterior renovation specialists!

This concludes the information about the exterior wall overlay method.

The exterior renovation that significantly improves insulation and provides a stylish look like a new construction is only available through exterior wall siding work.
While the cost is higher compared to exterior wall painting, it offers various benefits and is a recommended exterior renovation.
Importantly, if you are considering exterior wall overlay work, be sure to obtain estimates from at least three companies!

Our company specializes in exterior renovations, so if you have any concerns regarding roofs, rain gutters, or exterior walls, please consult Kakeru Koumuten!

We carry out everything from temporary scaffolding work to roof work and exterior wall renovation work entirely in-house. We are confident that our costs, quality, and planning are superior to other companies in exterior work!
We welcome competitive estimates with confidence!
You will be glad you chose us! We take every request seriously to ensure you feel this way.
Estimates and inspections are free!

If our construction plan is inferior to other companies, please feel free to decline!
Rest assured, we do not charge any cancellation fees or travel expenses!

We look forward to your inquiries. Thank you very much.

We welcome consultations via LINE as well◎

For roofing, guttering, and exterior work and repairs in Kanagawa, contact Kakerukoumuten Co., Ltd..

AAA is a young company with an average age in the early 20s, but our technology is second to none.

One of our greatest strengths is that we can do all of our own scaffolding, roofing, and painting work. In this industry, where work is generally divided, we are able to provide a complete set of services, which saves time and effort in management and reduces costs. Above all, if there is any trouble, we will come to you right away!

We can confidently declare this. We are the youngest and most friendly renovator in Kanagawa!